Furnace-door lining.



E. S. CLINE & E. C. MEIER.

FURNACE DOOR LINING.

APPLICATION FILED MAY 25, I915.

Patented Nov. 9, 1915.

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E. S. CLINE & E. C. MEIER.

FURNACE DOOR LINING.

APPLICATION FILED MAY 25. 1915.

1,159,898. Patented Nov. 9, 1915.

w" my r onto EDWARD S. GLINE A1\TD EDVVABD C. MEIER, OF PEOE'NIXVILLE, PENNSYLVANIA.

FURNACE-DOOR LINING.

Specification of Letters Eatent.

Patented Nov. 9, H915.

Application filed May 25, 1915. Serial No. 30,451.

To a (ill/2,0771, it may concern:

Be it known that we, EDWARD S. CLINE and EDWARD C. Mama, citizens of the United States, residing at Phoenixville, in the county of Chester and State of Pennsylvania, have invented certain new and useful Improvements in FurnaceDoor Linings, of which the following is a specification,

Our invention relates to improvements in furnace door linings, and more particularly to an improved construction and arrange- 'ment of fire brick arch and jambs, which permits a section of the arch to be removed and replaced without materially disturbing the wall of the furnace.

Heretofore furnace doors have been provided with jambs and arches in which the arch supports directly thereon the bricks forming the wall of the furnace, so that when the inner portion of the arch becomes broken or worn, it is necessary to remove a relatively large portion of wall above the same, and after a new arch is substituted the wall must be replaced. This necessitates a considerable cost, both in time and labor, and it is the purpose of our invention to so construct and mount the arch on the jambs that the inner portion of the arch which sustains the intense heat and is liable to be worn and broken, can be removed and replaced without removing but a few of the bricks in the wall.

l Vith these and other objects in view, the invention consists in certain novel features of construction and combinations and arrangements of parts as will be more fully hereinafter described and pointed out in the claims.

In the accompanying drawings: Figure 1 is a View in elevation showing the inner faces of the j ambs and arch. Fig. 2 is a top plan view of Fig. 1. Fig. 3 is a view in transverse section on the line 33 of Fig. 1. Fig. 4 is a view in transverse section on the line l of Fig. 1. Fig. 5 is a front face view of the jambs and arch illustrating the recesses therein for the reception of the bolt heads on the metal door frame structure. Fig. 6 is a view in vertical section on the line 6-6 of Fig. 5 showing in dotted lines a preferred arrangement of bricks thereon, and Fig. 7 is a view similar to Fig. 6 illustrating a modification. in which the jamb as well as the arch is made in two pieces.

1, 1, represent the jambs which support the arch 3. The jambs and arch are of fire clay or other suitable material to withstand the usage to which they are necessarily put, and are provided in their front or forward faces with recesses a and 5 to accommodate the bolts in the metal work of the door.

The arch 3 comprises two sections 3- and 8". he two sections 3 and 3 extend throughout the length of the arch, and are so shaped as to provide a rabbet joint 6 with the projecting portion of the inner section 8* overlapping the projecting portion of the forward. section 3 so that the section 3 is easily removed as occasion may require. Both sections of the arch are provided with lugs 7 which are positioned in recesses 8 in the jambs 1, and said jambs are provided with such recesses 8 in both ends, so that a single mold may operate for both right and left jambs.

The jambs and arch are set in the wall in the ordinary way, a preferable arrangement being to so arrange the bricks that a stretcher course 9 will be above the section 3, and a header course 10 above the section 3* as indicated in dotted lines in Fig. 6. By reason of such a construction the header course 10 can be easily removed and will give ample space for the removal of the arch section 3 and allow a new section 8 to be inserted without disturbing any other portion of the wall. By reason of the rabbet joint, the sections 3 and 3 are firmly held, yet the section 8* can be easily removed and replaced as occasion may require.

As is customary, the edges of the jambs and arch at the inner portion of the furnace door are rounded or curved as shown, but the invention is of course not limited to any particular shape. If desired, the jambs may be made in two sections as shown in Fig. 7, in which it will be noted that the jamb is divided on a line 11 meeting the division line between the sections 3 and 8 of the arch. The two sections 1* and 1 of the jamb are heldby means of a bolt 12 which extends through the jamb sections and has its head 13 in a recess 14 in the inner j amb section 1", and this bolt may be utilized for securing the j amb to the metal work of the door as will be well understood. The head 13 of the bolt is protected from the fire by filling of fire clay 15, which material is also located in the sockets 8 to form a snug joint with the lugs 7.

Various slight changes might be made in the general form and arrangement of parts described Without departing from our invention, and hence we do not limit ourselves to the precisefldetails set forth, but consider ourselves at liberty to make such changes and alterations as fairly fall within the spirit and scope of the appended claims.

2. A lining for furnace doors, comprising two ambs spaced apart, and an arch supported'solely on the jambs and comprising inner' and outer sections, both extending throughout the entire width of the door opening, said arch sections having-rabbet joint connection with each other, substan tially as described.

, Witnesses:

A lining for furnace doors, comprising two jambs spaced apart, and an arch supported solely on the jambs and comprising inner and outer sections, both extending throughout the entire Width of the door opening, theinner section ofthe arch havmg a projecting portion extending over a similar portion on the outer arch section, substantially as described.

a. A lining fol-furnace doors comprising two jambs, and an arch supported on the jambs and comprising two longitudinal sections extending throughout theentire width of the "door, and said jambs comprising two sections bolted together, substantially as describedm V In testimony whereof we have signed our names to this specification in thepresence of two subscribing witnesses.

. EDWARD S. CELINE.

EDWARD C. MEIER.

THos. F. BREMAN, EUGENE V. HEILMAN.

Copies of this pate-nt may be obtained for five cents each, by addressing the Commissioner of Patents,

' V Washington, 13.0. 

